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Published on: September 19, 2025
The role of diagnostic laparoscopy in micropremmies with suspected necrotizing enterocolitis
1Department of Paediatrics, The University of Adelaide, Adelaide, South Australia, Australia. hock.tan@adelaide.edu.au
Background:
The timely diagnosis of perforations or dead gut can be extremely difficult in micropremmies with necrotizing enterocolitis. A negative laparotomy is just as detrimental as failure to recognize early perforation in this group of patients. We have been exploring the role of microlaparoscopy using a needlescope to determine if this modality is feasible and useful in the surgical management of these patients. We report our technique and initial experience with needlescopic diagnosis.
Methods:
Four patients (weight >500 to <1000 g) with abdominal distension and clinical sepsis not responsive to aggressive medical treatment were included in this study. None had radiologic evidence of pneumatosis or perforation. There was no absolute surgical indication for laparotomy except for strong suspicion of a surgical cause. Needlescopic diagnosis was performed in all these patients.
Results:
There was no evidence of perforation or bile in the abdominal cavity in one patient. This patient improved on medical management, avoiding a laparotomy. The rest had bile or fibrin in the abdominal fluid with a localized perforation, and in each case we performed a microlaparotomy directly over the site of perforation to create a stoma.
Conclusions:
Needlescopic diagnosis is feasible and appears to be safe, even in critically ill micropremmies less than 1000 g. The technique can provide useful information for surgical decision-making and allows for precise placement of a microlaparotomy incision over the site of perforation, thus minimizing the trauma from open surgery in this special group of patients. We are currently expanding its role in patients with overt perforations to determine if we can limit the extent of surgical exploration without compromising the adequacy of surgical management.
Insights
Needlescopic diagnosis is a safe and feasible technique for diagnosing gastrointestinal perforations in very low birth weight infants (micropremmies). This minimally invasive approach aids surgical decision-making and precise treatment, improving outcomes for neonates with necrotizing enterocolitis.
Area of Science:
- Neonatal surgery
- Minimally invasive surgery
- Pediatric gastroenterology
Background:
- Diagnosing perforations in micropremmies with necrotizing enterocolitis is challenging.
- Negative laparotomies and missed perforations have severe consequences for neonates.
- Microlaparoscopy with a needlescope is being explored for surgical management.
Purpose of the Study:
- To evaluate the feasibility and utility of needlescopic diagnosis in micropremmies.
- To assess the safety and effectiveness of this technique in surgical decision-making.
Main Methods:
- Four micropremmies (<1000 g) with suspected surgical abdomen underwent needlescopic diagnosis.
- Patients had clinical sepsis and abdominal distension without clear radiologic signs of perforation.
Main Results:
- One patient improved with medical management, avoiding surgery.
- Three patients showed bile or fibrin, indicating localized perforation.
- Microlaparotomy was precisely performed at the perforation site, creating a stoma.
Conclusions:
- Needlescopic diagnosis is feasible and safe in critically ill micropremmies (<1000 g).
- The technique provides crucial information for surgical decisions and precise microlaparotomy placement.
- Minimizing surgical trauma is vital for this patient population.
